121111100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4835

約数の個数: 72

約数和(自身を含む): 299230848

約数和(自身を除く): 178119748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 4787, 5060, 6325, 9574, 12650, 19148, 23935, 25300, 47870, 52657, 95740, 105314, 110101, 119675, 210628, 220202, 239350, 263285, 440404, 478700, 526570, 550505, 1053140, 1101010, 1211111, 1316425, 2202020, 2422222, 2632850, 2752525, 4844444, 5265700, 5505050, 6055555, 11010100, 12111110, 24222220, 30277775, 60555550, 121111100]

約数ペア:

[(1, 121111100), (2, 60555550), (4, 30277775), (5, 24222220), (10, 12111110), (11, 11010100), (20, 6055555), (22, 5505050), (23, 5265700), (25, 4844444), (44, 2752525), (46, 2632850), (50, 2422222), (55, 2202020), (92, 1316425), (100, 1211111), (110, 1101010), (115, 1053140), (220, 550505), (230, 526570), (253, 478700), (275, 440404), (460, 263285), (506, 239350), (550, 220202), (575, 210628), (1012, 119675), (1100, 110101), (1150, 105314), (1265, 95740), (2300, 52657), (2530, 47870), (4787, 25300), (5060, 23935), (6325, 19148), (9574, 12650)]